Home / 19,869.33-29,808.10-5,829.81

Finding the Fourth Proportional to 19,869.33, 29,808.10 and 5,829.81

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Solution

The fourth proportional to 19,869.33, 29,808.10 and 5,829.81 is: 8,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.33 : 29,808.10 = 5,829.81 : x
  2. Step 2: Convert to fraction form
    19,869.33/29,808.10 = 5,829.81/x
  3. Step 3: Cross multiply
    19,869.33x = 29,808.10 × 5,829.81
  4. Step 4: Simplify right side
    19,869.33x = 173,775,454.97
  5. Step 5: Solve for x
    x = 173,775,454.97/19,869.33
  6. Step 6: Final answer
    x = 8,745.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.